diff --git a/pipe/pipe.py b/pipe/pipe.py
index 751babd..c791901 100644
--- a/pipe/pipe.py
+++ b/pipe/pipe.py
@@ -28,12 +28,12 @@ def spectrogram_pipe(specpath: Path, namepattern: str, freq_samples: int)
         freq_samples (int): Number of frequency samples in each spectrogram.
 
     Returns:
-        spectrograms (np.ndarray): Stack of spectrograms (2D array).
+        spectrogram (np.ndarray): Stack of spectrograms (2D array).
     """
 
     with h5py.File(specpath/namepattern.format(i), 'r') as f:
-        spectrograms = f['spectrogram'][:]
+        spectrogram = f['spectrogram'][:]
 
-    return spectrograms
+    return spectrogram
 
 # EOF